1389824217

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{907}}^1$

素因数の和:1067

約数の個数: 64

約数和(自身を含む): 2266368000

約数和(自身を除く): 876543783

約数列:

[1, 3, 9, 19, 27, 29, 57, 87, 103, 171, 261, 309, 513, 551, 783, 907, 927, 1653, 1957, 2721, 2781, 2987, 4959, 5871, 8163, 8961, 14877, 17233, 17613, 24489, 26303, 26883, 51699, 52839, 56753, 78909, 80649, 93421, 155097, 170259, 236727, 280263, 465291, 499757, 510777, 710181, 840789, 1499271, 1532331, 1774999, 2522367, 2709209, 4497813, 5324997, 8127627, 13493439, 15974991, 24382881, 47924973, 51474971, 73148643, 154424913, 463274739, 1389824217]

約数ペア:

[(1, 1389824217), (3, 463274739), (9, 154424913), (19, 73148643), (27, 51474971), (29, 47924973), (57, 24382881), (87, 15974991), (103, 13493439), (171, 8127627), (261, 5324997), (309, 4497813), (513, 2709209), (551, 2522367), (783, 1774999), (907, 1532331), (927, 1499271), (1653, 840789), (1957, 710181), (2721, 510777), (2781, 499757), (2987, 465291), (4959, 280263), (5871, 236727), (8163, 170259), (8961, 155097), (14877, 93421), (17233, 80649), (17613, 78909), (24489, 56753), (26303, 52839), (26883, 51699)]